sound/soc/au1x/db1200.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * DB1200/DB1300/DB1550 ASoC audio fabric support code.
   4  *
   5  * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
   6  *
   7  */
   8
   9 #include <linux/module.h>
  10 #include <linux/moduleparam.h>
  11 #include <linux/timer.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/platform_device.h>
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16 #include <sound/soc.h>
  17 #include <asm/mach-au1x00/au1000.h>
  18 #include <asm/mach-au1x00/au1xxx_psc.h>
  19 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  20 #include <asm/mach-db1x00/bcsr.h>
  21
  22 #include "../codecs/wm8731.h"
  23 #include "psc.h"
  24
  25 static const struct platform_device_id db1200_pids[] = {
  26         {
  27                 .name           = "db1200-ac97",
  28                 .driver_data    = 0,
  29         }, {
  30                 .name           = "db1200-i2s",
  31                 .driver_data    = 1,
  32         }, {
  33                 .name           = "db1300-ac97",
  34                 .driver_data    = 2,
  35         }, {
  36                 .name           = "db1300-i2s",
  37                 .driver_data    = 3,
  38         }, {
  39                 .name           = "db1550-ac97",
  40                 .driver_data    = 4,
  41         }, {
  42                 .name           = "db1550-i2s",
  43                 .driver_data    = 5,
  44         },
  45         {},
  46 };
  47
  48 /*-------------------------  AC97 PART  ---------------------------*/
  49
  50 SND_SOC_DAILINK_DEFS(db1200_ac97,
  51         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  52         DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
  53         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  54
  55 static struct snd_soc_dai_link db1200_ac97_dai = {
  56         .name           = "AC97",
  57         .stream_name    = "AC97 HiFi",
  58         SND_SOC_DAILINK_REG(db1200_ac97),
  59 };
  60
  61 static struct snd_soc_card db1200_ac97_machine = {
  62         .name           = "DB1200_AC97",
  63         .owner          = THIS_MODULE,
  64         .dai_link       = &db1200_ac97_dai,
  65         .num_links      = 1,
  66 };
  67
  68 SND_SOC_DAILINK_DEFS(db1300_ac97,
  69         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  70         DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
  71         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  72
  73 static struct snd_soc_dai_link db1300_ac97_dai = {
  74         .name           = "AC97",
  75         .stream_name    = "AC97 HiFi",
  76         SND_SOC_DAILINK_REG(db1300_ac97),
  77 };
  78
  79 static struct snd_soc_card db1300_ac97_machine = {
  80         .name           = "DB1300_AC97",
  81         .owner          = THIS_MODULE,
  82         .dai_link       = &db1300_ac97_dai,
  83         .num_links      = 1,
  84 };
  85
  86 static struct snd_soc_card db1550_ac97_machine = {
  87         .name           = "DB1550_AC97",
  88         .owner          = THIS_MODULE,
  89         .dai_link       = &db1200_ac97_dai,
  90         .num_links      = 1,
  91 };
  92
  93 /*-------------------------  I2S PART  ---------------------------*/
  94
  95 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
  96 {
  97         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  98         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  99
 100         /* WM8731 has its own 12MHz crystal */
 101         snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
 102                                 12000000, SND_SOC_CLOCK_IN);
 103
 104         return 0;
 105 }
 106
 107 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 108         .startup        = db1200_i2s_startup,
 109 };
 110
 111 SND_SOC_DAILINK_DEFS(db1200_i2s,
 112         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
 113         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 114         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
 115
 116 static struct snd_soc_dai_link db1200_i2s_dai = {
 117         .name           = "WM8731",
 118         .stream_name    = "WM8731 PCM",
 119         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 120                           SND_SOC_DAIFMT_CBM_CFM,
 121         .ops            = &db1200_i2s_wm8731_ops,
 122         SND_SOC_DAILINK_REG(db1200_i2s),
 123 };
 124
 125 static struct snd_soc_card db1200_i2s_machine = {
 126         .name           = "DB1200_I2S",
 127         .owner          = THIS_MODULE,
 128         .dai_link       = &db1200_i2s_dai,
 129         .num_links      = 1,
 130 };
 131
 132 SND_SOC_DAILINK_DEFS(db1300_i2s,
 133         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
 134         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 135         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
 136
 137 static struct snd_soc_dai_link db1300_i2s_dai = {
 138         .name           = "WM8731",
 139         .stream_name    = "WM8731 PCM",
 140         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 141                           SND_SOC_DAIFMT_CBM_CFM,
 142         .ops            = &db1200_i2s_wm8731_ops,
 143         SND_SOC_DAILINK_REG(db1300_i2s),
 144 };
 145
 146 static struct snd_soc_card db1300_i2s_machine = {
 147         .name           = "DB1300_I2S",
 148         .owner          = THIS_MODULE,
 149         .dai_link       = &db1300_i2s_dai,
 150         .num_links      = 1,
 151 };
 152
 153 SND_SOC_DAILINK_DEFS(db1550_i2s,
 154         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
 155         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 156         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
 157
 158 static struct snd_soc_dai_link db1550_i2s_dai = {
 159         .name           = "WM8731",
 160         .stream_name    = "WM8731 PCM",
 161         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 162                           SND_SOC_DAIFMT_CBM_CFM,
 163         .ops            = &db1200_i2s_wm8731_ops,
 164         SND_SOC_DAILINK_REG(db1550_i2s),
 165 };
 166
 167 static struct snd_soc_card db1550_i2s_machine = {
 168         .name           = "DB1550_I2S",
 169         .owner          = THIS_MODULE,
 170         .dai_link       = &db1550_i2s_dai,
 171         .num_links      = 1,
 172 };
 173
 174 /*-------------------------  COMMON PART  ---------------------------*/
 175
 176 static struct snd_soc_card *db1200_cards[] = {
 177         &db1200_ac97_machine,
 178         &db1200_i2s_machine,
 179         &db1300_ac97_machine,
 180         &db1300_i2s_machine,
 181         &db1550_ac97_machine,
 182         &db1550_i2s_machine,
 183 };
 184
 185 static int db1200_audio_probe(struct platform_device *pdev)
 186 {
 187         const struct platform_device_id *pid = platform_get_device_id(pdev);
 188         struct snd_soc_card *card;
 189
 190         card = db1200_cards[pid->driver_data];
 191         card->dev = &pdev->dev;
 192         return devm_snd_soc_register_card(&pdev->dev, card);
 193 }
 194
 195 static struct platform_driver db1200_audio_driver = {
 196         .driver = {
 197                 .name   = "db1200-ac97",
 198                 .pm     = &snd_soc_pm_ops,
 199         },
 200         .id_table       = db1200_pids,
 201         .probe          = db1200_audio_probe,
 202 };
 203
 204 module_platform_driver(db1200_audio_driver);
 205
 206 MODULE_LICENSE("GPL");
 207 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
 208 MODULE_AUTHOR("Manuel Lauss");